Dental irrigator unit



FIG. 1 is a top, front and left side perspective view of a dental irrigator unit showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a top, front and left side perspective view thereof with the storage tray portion shown omitted for clarity of illustration.

The broken-line showing of the tube element in the views is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a dental irrigator unit, as shown and described. 